# -*- coding: utf-8 -*- """P2-02 诊断:右侧 Bash 面板滚动条与横纵交汇角(离屏) 测量并断言: S1 代码框(#bl_code)横滚动条实际厚度 = 8px、sizeHint 一致 S2 代码框竖滚动条实际厚度 = 8px、sizeHint 一致 S3 section 滚动区(#bl_scroll)竖滚动条实际厚度 = 8px S4 面板滚动条箭头 extent = 0(箭头隐藏) S5 交汇角像素 = 代码框背景 #fbfcfe(无原生亮色 corner 方块) S6 无泄漏:未命名 QPlainTextEdit 的滚动条仍是原生口径(≠8px、箭头>0) S7 无泄漏:附件预览滚动条保持自身 6px 口径 并生成局部截图(面板全貌 + 代码框角落放大)打印测量值。 运行: QT_QPA_PLATFORM=offscreen python tests/diag_panel_scrollbar.py """ import os import sys sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..")) os.environ.setdefault("QT_QPA_PLATFORM", "offscreen") os.environ.setdefault("HAOCODE_RENDER", "software") os.environ["QTWEBENGINE_CHROMIUM_FLAGS"] = "--disable-gpu" # 绕过 AMD 核显 context lost os.environ.setdefault("PYTHONIOENCODING", "utf-8") # 铁律(P0-01):临时数据库 + 临时配置必须在 import MainWindow 之前完成 from tests._test_env import isolate # noqa: E402 _TMP = isolate("panelscroll", config={"providers": {}, "mode_switch": True}) _DB_TMP = _TMP["db"] _CFG_TMP = _TMP["config"] from PyQt6.QtWidgets import (QApplication, QPlainTextEdit, QStyle, # noqa: E402 QStyleOptionSlider) # noqa: E402 from PyQt6.QtTest import QTest # noqa: E402 from PyQt6.QtCore import Qt # noqa: E402 from ui.views.main_window import MainWindow # noqa: E402 app = QApplication(sys.argv) ok = True OUT_DIR = os.path.join(os.path.dirname(__file__), "..", "docs", "agent-handoff", "evidence") def check(name, cond, extra=""): global ok print((" PASS " if cond else " FAIL ") + name + ("" if cond else f" {extra}"), flush=True) if not cond: ok = False def settle(ms=300): for _ in range(int(ms / 20) + 1): app.processEvents() QTest.qWait(20) def arrow_extent(sb, orient=Qt.Orientation.Vertical): """滚动条箭头子控件(sub-line)的实际尺寸(px):QSS 把 add-line/sub-line 置 0 后应为 0。 用 sb.style()(样式表代理风格)才能反映 QSS 效果;PyQt6 参数序 = (cc, opt, sc, widget)。 返回 -2 表示无法测量(样式代理缺失等),调用方不得把 -2 当作 0。""" try: st = sb.style() if orient == Qt.Orientation.Vertical: return st.subControlRect(QStyle.ComplexControl.CC_ScrollBar, QStyleOptionSlider(), QStyle.SubControl.SC_ScrollBarSubLine, sb).height() return st.subControlRect(QStyle.ComplexControl.CC_ScrollBar, QStyleOptionSlider(), QStyle.SubControl.SC_ScrollBarSubLine, sb).width() except Exception as e: print(f" (arrow_extent 测量异常: {e})", flush=True) return -1 window = MainWindow() window.resize(1400, 800) window.show() settle(400) panel = window.bash_panel panel.expand_btn.click() settle(500) # ---- 造数据:一个展开的层,out_box 同时触发横/纵滚动条 ---- panel.on_started("sc1", "bash", {"command": "python long_report.py --all --verbose"}) panel.on_finished("sc1", "bash", True, "$ python long_report.py --all --verbose\n" + "\n".join(f"line-{i:03d}" for i in range(60)) + "\n[exit 0] (1.2s)") settle(300) lay = panel._layers["sc1"] lay.toggle() settle(200) # 超宽单行(NoWrap)→ 横向滚动条;再追加 60 行 → 同时触发纵向滚动条 panel._layers["sc1"].out_box.setPlainText("X" * 3000 + "\n" + "\n".join(f"tail-{i:03d}" for i in range(60))) settle(200) ob = lay.out_box sbh = ob.horizontalScrollBar() sbv = ob.verticalScrollBar() check("S0.1 前置:横滚动条可见(超宽单行)", sbh.isVisible(), str(sbh.isVisible())) check("S0.2 前置:竖滚动条可见(60+ 行超出 230px 上限)", sbv.isVisible(), str(sbv.isVisible())) # ---- S1/S2 代码框滚动条厚度 ---- check("S1 代码框横滚动条实际厚度 = 8px", sbh.height() == 8, f"h={sbh.height()}") check("S1b 代码框横滚动条 sizeHint 厚 = 8px", sbh.sizeHint().height() == 8, f"{sbh.sizeHint().height()}") check("S2 代码框竖滚动条实际厚度 = 8px", sbv.width() == 8, f"w={sbv.width()}") check("S2b 代码框竖滚动条 sizeHint 宽 = 8px", sbv.sizeHint().width() == 8, f"{sbv.sizeHint().width()}") # ---- S3 section 滚动区竖滚动条厚度 ---- # 让运行中栏溢出:再加 12 个已完成层(复用 P11 的溢出手法不必,层数即可) for i in range(12): cid = f"scf{i}" panel.on_started(cid, "bash", {"command": f"cmd-{cid}"}) panel.on_finished(cid, "bash", True, f"$ cmd-{cid}\nok\n[exit 0] (0.1s)") settle(300) sdv = panel.sec_done.scroll.verticalScrollBar() check("S0.3 前置:已完成栏溢出、竖滚动条可见", sdv.isVisible(), str(sdv.isVisible())) check("S3 section 竖滚动条实际厚度 = 8px", sdv.width() == 8, f"w={sdv.width()}") # ---- S4 箭头 extent ---- print(f" 测量:代码框 H 箭头 extent = {arrow_extent(sbh, Qt.Orientation.Horizontal)}px, " f"V = {arrow_extent(sbv)}px; section V = {arrow_extent(sdv)}px", flush=True) check("S4 代码框横滚动条箭头 extent = 0", arrow_extent(sbh, Qt.Orientation.Horizontal) == 0, str(arrow_extent(sbh, Qt.Orientation.Horizontal))) check("S4b 代码框竖滚动条箭头 extent = 0", arrow_extent(sbv) == 0, str(arrow_extent(sbv))) check("S4c section 竖滚动条箭头 extent = 0", arrow_extent(sdv) == 0, str(arrow_extent(sdv))) # ---- S5 交汇角(render 到透明 pixmap 取样;offscreen 下文档区背景不填充, # 但样式子控件(滚动条/边框/corner)正常渲染,可直接断言)---- from PyQt6.QtGui import QPainter, QPixmap # noqa: E402 w, h = ob.width(), ob.height() pm = QPixmap(w, h); pm.fill(Qt.GlobalColor.transparent) pr = QPainter(pm); ob.render(pr); pr.end() img = pm.toImage() def px_at(x, y): c = img.pixelColor(x, y) return (c.red(), c.green(), c.blue()) CORNER_BG = (0xfb, 0xfc, 0xfe) # #bl_code 背景色 = QSS 里 corner 规则的目标色 n_bg = n_white = 0 for dy in range(8): for dx in range(8): c = px_at(w - 1 - dx, h - 1 - dy) if c == CORNER_BG: n_bg += 1 if c == (255, 255, 255): n_white += 1 # 健全性:样式确已作用到该框(文本色 #243043 与 handle #d0d0d0 应在渲染图中出现) n_text = sum(1 for y in range(0, h, 2) for x in range(0, w, 2) if px_at(x, y) == (0x24, 0x30, 0x43)) n_handle = sum(1 for y in range(h - 10, h) for x in range(0, w - 12, 2) if px_at(x, y) == (0xd0, 0xd0, 0xd0)) print(f" 测量:corner 8x8 内 #fbfcfe 像素 = {n_bg},亮白(255,255,255)像素 = {n_white}," f"文本色像素 = {n_text},handle色像素 = {n_handle}", flush=True) check("S5 健全性:样式已作用于该框(文本色出现)", n_text > 0, f"n_text={n_text}") check("S5b 健全性:handle #d0d0d0 出现在横滚动条带", n_handle > 0, f"n_handle={n_handle}") check("S5c 交汇角渲染出 #fbfcfe(= 代码框背景,::corner 规则生效)", n_bg >= 1, f"n_bg={n_bg}") check("S5d 交汇角无原生亮白方块(255,255,255)", n_white == 0, f"n_white={n_white}") img.save(os.path.join(OUT_DIR, "p2-02-outbox-render.png")) # ---- S6 无泄漏:未命名 QPlainTextEdit 仍为原生口径 ---- probe = QPlainTextEdit() probe.setPlainText("Y" * 3000) probe.resize(200, 120) probe.show() settle(150) psb = probe.horizontalScrollBar() probe_sb_extent = arrow_extent(psb, Qt.Orientation.Horizontal) check("S6 未命名代码框横滚动条非面板口径(原生厚≠8 或 有箭头)", (psb.height() != 8) or probe_sb_extent > 0, f"h={psb.height()} extent={probe_sb_extent}") probe.close() # ---- S7 无泄漏:附件预览滚动条保持自身 6px 口径 ---- att_sb = window.attachment_scroll_area.horizontalScrollBar() att_hint_h = att_sb.sizeHint().height() check("S7 附件预览横滚动条保持 6px(自身 QSS 未被面板规则覆盖)", att_hint_h == 6, f"sizeHint.h={att_hint_h}") # ---- 截图(局部:面板全貌 + 代码框角落放大 4x)---- # 注意:offscreen 下 ob.grab() 的文档区不填充(黑图),角落放大图从 S5 的 # render 图(样式子控件已正常渲染)裁出,才有证据价值 os.makedirs(OUT_DIR, exist_ok=True) panel_path = os.path.join(OUT_DIR, "p2-02-panel.png") panel.grab().save(panel_path) crop = img.copy(max(0, w - 60), max(0, h - 60), 60, 60) scaled = crop.scaled(240, 240, Qt.AspectRatioMode.KeepAspectRatio, Qt.TransformationMode.FastTransformation) corner_path = os.path.join(OUT_DIR, "p2-02-codebox-corner-4x.png") scaled.save(corner_path) print(f" 截图:{panel_path}", flush=True) print(f" 截图:{corner_path}(代码框右下角 60x60 → 4x)", flush=True) # ---- 收尾测量汇总 ---- print(f"\n 汇总:代码框 H={sbh.height()}px V={sbv.width()}px | " f"section V={sdv.width()}px | corner #fbfcfe 像素={n_bg} | " f"未命名框 H={psb.height()}px extent={probe_sb_extent} | 附件 H hint={att_hint_h}px", flush=True) print("\n===== " + ("ALL PASS" if ok else "HAS FAILURES") + " =====", flush=True) if os.path.exists(_DB_TMP): os.remove(_DB_TMP) if os.path.exists(_CFG_TMP): os.remove(_CFG_TMP) # offscreen 铁律:os._exit 强制收尾(QtWebEngine 子进程可能不回收) os._exit(0 if ok else 1)